Research on the processes of wind erosion of cropland, desertification of grassland, reactivation of fixed dunes and shifting sand movement reveals th...

并论述了农田风蚀、草场沙化、固定沙丘活化及流沙前移等主要类型土地沙漠化的发育过程。

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Stony ridges gave way to tumbled boulders, slopes of sifted gravel, and then sand, blown into shifting dunes.

NEWYORKER: The Martian Chroniclers